47857178
47857178
47857178
47857178
47857178
47857178
47857178
47857178
47857178
47857178

LS1 Cylinder Head Kit with Head Gaskets, Bolts, LS7 Lifters, Timing Set, Oil Pump, Pushrods + More!

Regular price
$4,595.00
Sale price
$4,595.00
Tax included. Shipping calculated at checkout.

LS1 / LS2 Cylinder Heads Kit

Kit Includes:

  • Performance Cathedral Port Cylinder Heads (Pair) for Holden LS1/LS2
  • PAC Dual Valve Springs, Retainers, Locks and Valve Stem Seals
  • Crow Camshaft of your choice (We recommend the 871249, see cam specs below)

RPM Range

Part No.

Duration

with 1.7 Rocker

Lobe Sep Angle

Lash
Measured Hot

Advertised

@.050”

IN

EX

IN

EX

IN

EX

IN

EX

2400 - 6300

871249

273°

279°

226°

232°

.608''

.602''

112°

HYD

HYD

 

  • Genuine GM LS1 Head Gaskets (Pair)
  • Genuine GM Head Bolts Set (2 Length or 3 Length)
  • Genuine GM LS7 Lifters & Guides 
  • Crow Cams Double Row Timing Chain Set
  • Genuine GM High Pressure Oil Pump
  • Crow Cams 7.400" Chrome Moly Pushrods

ONLY SELLER IN AUSTRALIA OFFERING THIS PACKAGE

LS1/LS2 Cathedral Port Heads:

  • Chamber size: 66. ml
  • Inlet port: 210.5 ml
  • Exhaust port: 83.2 ml
  • Flow @ 28in lift .600 inl=288 ex=210

Brand New castings with redesigned Hi Flow Intake and Exhaust ports and larger LS3 valves with repositioned Valve guides to allow clearance on standard LS1 Bores.

The as-cast ports in these heads flow figures similar to CNC ported factory heads.

Heads equipped with PAC dual valve springs, Crow Cams Chrome Molly retainers, locks and valve stem seals suitable for valve lift up to .625"

Please feel free to message us for more info